[Breast feeding in different income classes in the Municipality of São Paulo].
D001290:Attitude; D001942:Breast Feeding; D002675:Child, Preschool; D006801:Humans; D007182:Income; D007223:Infant; D011502:Protein-Energy Malnutrition / Q000517:prevention & control*; D012959:Socioeconomic Factors; D014886:Weaning
Aleitamento natural em diferentes classes de renda no Município de São Paulo.